These three units are designed for use with standard science curricula. These publications, relating to animals of the sea, are: Protozoa, Sponges, and Coelenterates. Included are teacher guides, student activities, and demonstrations designed to impart ocean science understanding to high school students. Objectives to be attained from the unit on Protozoans include: (1) identification of radiolarians, foraminiferans and tintinnids; (2) descriptions of life processes in these protozoans; and (3) identification of oceanic sediment produced by radiolarians and foraminiferans. After studying the unit on Sponges, students should be able to: (1) list the classes of sponges; (2) describe the life functions and habits; and (3) describe sponge reproduction and its importance to sponge industry. At the end of the unit on Coelenterates, students should be able to: (1) list the classes; (2) describe locomotion and feeding habits; and (3) describe relationship between the reproductive stages representing alternation of generation phenomena. This work was prepared under an ESEA Title III contract. (Author/EB)

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